Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Chapter 11, Problem 11.19TYU
To determine
The value of effective resistance
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Q1.
(a)
Consider the amplifier circuit in Figure Q1(a). Given the following:
RI = 100 k2
R2 = 56 kN
Rc =2 k2
Vcc = +8 V
Assume the transistor has B = 100 and VBE(on) = 0.7 V. You may neglect Early
effect and use VT = 26 mV.
(i)
Draw the DC equivalent circuit, then determine Iç and VCE.
Draw the AC equivalent circuit using re model. Based on this, determine
the parameters Av, Rin and Rout.
(ii)
Vcc
Rc
R1
R2
C3
Vout
C2
Ci
Vin
Figure Q1(a)
Describe the working principles of Bipolar Junction Transistor (BJT): Study of Single Stage Transistor Common Emitter Amplifier
QUESTION 12: The differential amplifier shown in Figure P11.60 has
a pair of pnp bipolars as input devices and a pair of npn bipolars
connected as an active load. The circuit is biased by Io=0.24 mA, and
the transistor parameters are ß = 80 , VẬP=90 V, and VAN = 115 V.
(a) Determine Io such that the de currents in the diff-amp are balanced.
(b) Find the open-circuit differential-mode voltage gain. (c) Determine
the differential-mode voltage gain if a load resistance R1 = 260 k2 is
connected to the output.
Io (HA)
Format : 4.595
Ad (open circuit)
Format : 4594.5
Ag (closed loop)
Format : 796.4
V+
Q2
Oa 어
RL
Q3
Q4
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Chapter 11 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 11 - The circuit parameters for the differential...Ch. 11 - Consider the de transfer characteristics shown in...Ch. 11 - Prob. 11.1CSPCh. 11 - Consider the diff-amp described in Example 11.3 ....Ch. 11 - Prob. 11.4EPCh. 11 - Prob. 11.1TYUCh. 11 - Prob. 11.2TYUCh. 11 - Assume the differential-mode gain of a diff-amp is...Ch. 11 - Prob. 11.5EPCh. 11 - Consider the diff-amp shown in Figure 11.15 ....
Ch. 11 - Prob. 11.7EPCh. 11 - Prob. 11.4TYUCh. 11 - Prob. 11.5TYUCh. 11 - The parameters of the diff-amp shown in Figure...Ch. 11 - For the differential amplifier in Figure 11.20,...Ch. 11 - The parameters of the circuit shown in Figure...Ch. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the differential amplifier in Figure...Ch. 11 - The diff-amp in Figure 11.19 is biased at IQ=100A....Ch. 11 - Prob. 11.10TYUCh. 11 - The diff-amp circuit in Figure 11.30 is biased at...Ch. 11 - Prob. 11.11EPCh. 11 - Prob. 11.12EPCh. 11 - Prob. 11.11TYUCh. 11 - Prob. 11.12TYUCh. 11 - Redesign the circuit in Figure 11.30 using a...Ch. 11 - Prob. 11.14TYUCh. 11 - Prob. 11.15TYUCh. 11 - Prob. 11.16TYUCh. 11 - Prob. 11.17TYUCh. 11 - Consider the Darlington pair Q6 and Q7 in Figure...Ch. 11 - Prob. 11.14EPCh. 11 - Consider the Darlington pair and emitter-follower...Ch. 11 - Prob. 11.19TYUCh. 11 - Prob. 11.15EPCh. 11 - Consider the simple bipolar op-amp circuit in...Ch. 11 - Prob. 11.17EPCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Prob. 2RQCh. 11 - From the dc transfer characteristics,...Ch. 11 - What is meant by matched transistors and why are...Ch. 11 - Prob. 5RQCh. 11 - Explain how a common-mode output signal is...Ch. 11 - Define the common-mode rejection ratio, CMRR. What...Ch. 11 - What design criteria will yield a large value of...Ch. 11 - Prob. 9RQCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Sketch the de transfer characteristics of a MOSFET...Ch. 11 - Sketch and describe the advantages of a MOSFET...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Describe the loading effects of connecting a...Ch. 11 - Prob. 16RQCh. 11 - Prob. 17RQCh. 11 - Prob. 18RQCh. 11 - (a) A differential-amplifier has a...Ch. 11 - Prob. 11.2PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Prob. 11.4PCh. 11 - Prob. D11.5PCh. 11 - The diff-amp in Figure 11.3 of the text has...Ch. 11 - The diff-amp configuration shown in Figure P11.7...Ch. 11 - Consider the circuit in Figure P11.8, with...Ch. 11 - The transistor parameters for the circuit in...Ch. 11 - Prob. 11.10PCh. 11 - Prob. 11.11PCh. 11 - The circuit and transistor parameters for the...Ch. 11 - Prob. 11.13PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Consider the circuit in Figure P11.15. The...Ch. 11 - Prob. 11.16PCh. 11 - Prob. 11.17PCh. 11 - For the diff-amp in Figure 11.2, determine the...Ch. 11 - Prob. 11.19PCh. 11 - Prob. D11.20PCh. 11 - Prob. 11.21PCh. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the circuit in Figure P11.23. Assume the...Ch. 11 - Prob. 11.24PCh. 11 - Consider the small-signal equivalent circuit of...Ch. 11 - Prob. D11.26PCh. 11 - Prob. 11.27PCh. 11 - A diff-amp is biased with a constant-current...Ch. 11 - The transistor parameters for the circuit shown in...Ch. 11 - Prob. D11.30PCh. 11 - For the differential amplifier in Figure P 11.31...Ch. 11 - Prob. 11.32PCh. 11 - Prob. 11.33PCh. 11 - Prob. 11.34PCh. 11 - Prob. 11.35PCh. 11 - Prob. 11.36PCh. 11 - Consider the normalized de transfer...Ch. 11 - Prob. 11.38PCh. 11 - Consider the circuit shown in Figure P 11.39 . The...Ch. 11 - Prob. 11.40PCh. 11 - Prob. 11.41PCh. 11 - Prob. 11.42PCh. 11 - Prob. 11.43PCh. 11 - Prob. D11.44PCh. 11 - Prob. D11.45PCh. 11 - Prob. 11.46PCh. 11 - Consider the circuit shown in Figure P 11.47 ....Ch. 11 - Prob. 11.48PCh. 11 - Prob. 11.49PCh. 11 - Prob. 11.50PCh. 11 - Consider the MOSFET diff-amp with the...Ch. 11 - Consider the bridge circuit and diff-amp described...Ch. 11 - Prob. D11.53PCh. 11 - Prob. 11.54PCh. 11 - Prob. 11.55PCh. 11 - Consider the JFET diff-amp shown in Figure P11.56....Ch. 11 - Prob. 11.57PCh. 11 - Prob. 11.58PCh. 11 - Prob. D11.59PCh. 11 - The differential amplifier shown in Figure P 11.60...Ch. 11 - Prob. 11.61PCh. 11 - Consider the diff-amp shown in Figure P 11.62 ....Ch. 11 - Prob. 11.63PCh. 11 - The differential amplifier in Figure P11.64 has a...Ch. 11 - Prob. 11.65PCh. 11 - Consider the diff-amp with active load in Figure...Ch. 11 - The diff-amp in Figure P 11.67 has a...Ch. 11 - Consider the diff-amp in Figure P11.68. The PMOS...Ch. 11 - Prob. 11.69PCh. 11 - Prob. 11.70PCh. 11 - Prob. D11.71PCh. 11 - Prob. D11.72PCh. 11 - An all-CMOS diff-amp, including the current source...Ch. 11 - Prob. D11.74PCh. 11 - Consider the fully cascoded diff-amp in Figure...Ch. 11 - Consider the diff-amp that was shown in Figure...Ch. 11 - Prob. 11.77PCh. 11 - Prob. 11.78PCh. 11 - Prob. 11.79PCh. 11 - Prob. 11.80PCh. 11 - Consider the BiCMOS diff-amp in Figure 11.44 ,...Ch. 11 - The BiCMOS circuit shown in Figure P11.82 is...Ch. 11 - Prob. 11.83PCh. 11 - Prob. 11.84PCh. 11 - For the circuit shown in Figure P11.85, determine...Ch. 11 - The output stage in the circuit shown in Figure P...Ch. 11 - Prob. 11.87PCh. 11 - Consider the circuit in Figure P11.88. The bias...Ch. 11 - Prob. 11.89PCh. 11 - Consider the multistage bipolar circuit in Figure...Ch. 11 - Prob. D11.91PCh. 11 - Prob. 11.92PCh. 11 - For the transistors in the circuit in Figure...Ch. 11 - Prob. 11.94PCh. 11 - Prob. 11.95PCh. 11 - Prob. 11.96PCh. 11 - Consider the diff-amp in Figure 11.55 . The...Ch. 11 - The transistor parameters for the circuit in...
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- Consider the circuit shown in Figure 11.10 on page 567. The transistor characteristics are shown in Figure 11.11. Suppose that VGG is changed to 0 V. Determine the values of VDSQ, VDSmin and VDSmax. Find the gain of the amplifier.arrow_forwardA Bipolar junction Transistor with curreat amplification factor being 100, Input Base current is 50μA. Collector voltage is 10 V and biasing voltage being +20 V. Find followings a. Collector current b. Resistance (R1) c. Collector voltage , Emitter voltage , Base Voltage & Collector-Emitter Voltage.arrow_forwardQa: A transistor dissipates 50W in an ambient temperature of 60°C, the thermal resistances are 0-0.5 °CW¹, 8ca-4 °CW. Determine the junction temperature without a heat sink. Determine the thermal resistance of the heat sink to avoid the junction temperature exceeding 180°C. )arrow_forward
- Question 2 Referring to Figure 2 and the following BJT parameters: B = 100, thermal voltage = 25 mV and VeE = 0.7 V. If v = (Mx10°)sin(wt) V where M is , 209384 . calculate the instantaneous positive peak collector voltage, Ve(peak). Explain the effect of CE on the BJT DC operating point and the small- signal voltage gain. Vcc 10V Rc $4.7 kN R 47 ko3 HE vo B-100 Vehermar=25mv R. 10 kn R $ika T10UF GND Figure 2arrow_forwardThe reason the AC saturation collector current is higher than the DC saturation current in power amplifiers is due to what? O bypass capacitor providing a short for the ac signal O bypass capacitor giving additional voltage to the circuit O Re being very small O The collector current cannot exceed the DC saturation current.arrow_forward(Fundamentals of BJT) Determine: a) Transistor terminal voltages b) Transistor junction voltagesarrow_forward
- 1 a) Write down the equation that relates the collector current of the bipolar transistor to the base-emitter voltage. Hence prove the relationship 9mbe Bowhere the ac parameters are transconductance, base-emitter resistance and ac current gain respectively. c) Draw a schematic diagram of a simple current mirror circuit. Show how it can be extended to form a current repeater. How can the current repeater be improved to allow different bias currents to be realised?arrow_forward1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA rms. b) Calculate the input power dissipated by the circuit if RB is changed to 1.5 kN. c) What maximum output power can be delivered by the circuit if RB is changed to 1.5 kN? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) RC -16Ω RB 1.2 k2 B - 40 100 µFarrow_forward9. Design a biased-transistor circuit using VBB = Vcc= 10 V for a Q-point of Ic = 5 mA and VCE 4 V. Assume pc = 100. The design involves finding RB, RC, and the minimum power rating of the transistor. (The actual power rating should be greater.) Sketch the circuit.arrow_forward
- QUESTION 10: The circuit parameters for diff-amp shown in Figure 11.30 are V* = 6 V, V = -6 V, and Io = 0.45 mA. The transistor parameters are ß = 74, V₁1 = V42 = 115 V₂ V 43 V 44 = 90 V, and V45 = ∞0. Determine the open-circuit differential-mode voltage gain. What is the output resistance of the diff-amp? Find the value of load resistance R₁ that reduces the differential-mode gain to 71 percent of the open-circuit value. Ad (open circuit) Format: 7842.2636277565 R₂ (kn) Format: 429.43075670268 Format: 672.96782467086 R₁ (kn) ibl iz i₁ 8mºd 2 V+ 25 V- i₂ = 8m'd 2 24 2₂ Signal ground V- Figure 11.30 Cc 8md 2 -Ove RL Sning Toolarrow_forward(FUNDAMENTALS OF BIPOLAR JUNCTION TRANSISTOR (BJT))arrow_forward(a). If the current gain is 100 and the collector current is 10 mA, the base current is?arrow_forward
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